Home / 19,880.24-29,818.16-5,089.29

Finding the Fourth Proportional to 19,880.24, 29,818.16 and 5,089.29

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Solution

The fourth proportional to 19,880.24, 29,818.16 and 5,089.29 is: 7,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.24 : 29,818.16 = 5,089.29 : x
  2. Step 2: Convert to fraction form
    19,880.24/29,818.16 = 5,089.29/x
  3. Step 3: Cross multiply
    19,880.24x = 29,818.16 × 5,089.29
  4. Step 4: Simplify right side
    19,880.24x = 151,753,263.51
  5. Step 5: Solve for x
    x = 151,753,263.51/19,880.24
  6. Step 6: Final answer
    x = 7,633.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.